sole of foot

例句：

1. 1.He put his foot on the ground to stand up.
   他踩在地上站起来。
2. 2. The shoes fit perfectly on her feet.
   鞋子完美地适合她的脚。
3. 3. She walked across the room with her foot on the sofa.
   她跨过房间，脚踩在沙发上。